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- Paclitaxel is used to treat ovarian cancer by infusion at a concentration of 0.6 mg/mL over 24 hours. A dose of 135 mg/m² has been prescribed for Sero. Sero is 1.06 m tall and weighs 92 kg. Paclitaxel comes in vials of 150 mg/25 mL. Calculate the volume of 5%w/v glucose solution that would be required to dilute the concentrated solution to prepare an paclitaxel solution of the required strength. Answer: You did not give the correct unit. The correct answer is: 333 mL XPaclitaxel is used to treat ovarian cancer by infusion at a concentration of 0.6 mg/mL over 24 hours. A dose of 135 mg/m² has been prescribed for Sero. Sero is 1.06 m tall and weighs 92 kg. Paclitaxel comes in vials of 150 mg/25 mL. Calculate the volume of 5%w/v glucose solution that would be required to dilute the concentrated solution to prepare an paclitaxel solution of the required strength.Determine the concentration of [Ser] at 75s at T=335K time (s) [Ser] at T=335 0.150 5 0.143 20 0.120 40 0.090 90 0.015 0.005 0.047 M 0.038 М 0.088 М
- An antibody binds to another protein with anequilibrium constant, K, of 5 × 109 M–1. When it binds toa second, related protein, it forms three fewer hydrogenbonds, reducing its binding affinity by 11.9 kJ/mole. Whatis the K for its binding to the second protein? (Free-energychange is related to the equilibrium constant by the equa-tion ΔG° = –2.3 RT log K, where R is 8.3 × 10–3 kJ/(mole K)and T is 310 K.)5. Anesthetic gases used in surgery are known to bind to the hemoglobin molecule in red blood cells. The diagram below illustrates O2 binding curves of normal human HbA in the presence of the anesthetic gas dichloromethane (DCM). O UNTREATED 100 a Dсм 23 Torr Symbols: в Dсм 50 Torr x DCM I00 Torr o, 0 Torr DCM; O, 23 Torr DCM A, 50 Torr DCM x, 100 Torr DCM. 80 60 40 (1 Torr = 1 mm Hg.) 20 The solutions were buffered to pH 7.4. 0.5 1.0 1.5 2.0 log p02 (a) (* Hill plots. Label the axes and indicate on both the plot above and the Hill plot where the value of the dissociation equilibrium constant Ka for O2 binding is defined for 0 and 100 Torr of dichloromethane For the curves at 0 and 100 Torr of dichloromethane, draw their equivalent in the form of Kd Hb(O2)n Hb + nO2 % OXYGENATIONWhat is the value for the w (water potential) of a cell when placed in a hypertonic saline solution of 0.40 M under standard atmospheric pressure (1.0 MPa) and at a room temperature of 25° C? [Assume that the cell and solution , (solute potential) are at equilibrium. Use 0.08314L bar K mol as the gas constant (R)]
- 5. Anesthetic gases used in surgery are known to bind to the hemoglobin molecule in red blood cells. The diagram below illustrates O2 binding curves of normal human HbA in the presence of the anesthetic gas dichloromethane (DCM). O UNTREATED 100 Symbols: a Dсм 23 Torr • DCM 50 Torr x DCM I00 Torr o, 0 Torr DCM; О, 23 Torr DСМ Д, 50 Torr DСМ x, 100 Torr DCM. 80 60 40 (1 Torr = 1 mm Hg.) 20 The solutions were buffered to pH 7.4. 0.5 1.0 1.5 2.0 log p02 For the curves at 0 and 100 Torr of dichloromethane, draw their equivalent in the form of (a) (* Hill plots. Label the axes and indicate on both the plot above and the Hill plot where the value of the dissociation equilibrium constant Kd for O2 binding is defined for 0 and 100 Torr of dichloromethane Kd Hb(O2)n nO2 Hb + Be sure to label the axes, indicate the units on both axes, and make the Hill plot so that the values of Kd are equivalent to those on the saturation plot above. Indicate whether cooperativity, as indicated by the Hill…SHOW COMPLETE SOLUTION 1. An electrochemical cell consist of 0.2715 Ibs of MnO2, and 0.2524 Ibs of PbO2. A current flow through a 1.1 ohm resistor of electrochemical cell for 45 mins. The reaction takes place at 400k and the total volume of the solution is 504.9 cm^3. Use the standard reduction cell potential table for MnO2 and PbO2: concentration of Mn2+ (2.81 M) and PbO2 (0.95 M) Cell Potential E=0.48 V current when it passes through a 1.1 ohm resistor = 0.44 ampere Determine the following: a. quantity of electricity/charge, Q b. Energy consumed in Joules c. Power in Kilowattsat 257 nm) is dissolved in 2.5 mL of buffer. A 250 microliter aliquot is removed and placed in a 1.0 cm A sample of adenosine triphosphate (ATP) (MW 507, ɛ = 14,700 M'cm cuvette with sufficient buffer to give a total volume of 2.0 mL. The absorbance of the sample at 257 nm is 2.0. Calculate the weight of ATP in the original 2.5 mL sample. (Choose the correct value from the drop-down list provided. The values of weight are listed in units of milligrams.) Weight of ATP: v mg
- 5. Anesthetic gases used in surgery are known to bind to the hemoglobin molecule in red blood cells. The diagram below illustrates O2 binding curves of normal human HbA in the presence of the anesthetic gas dichloromethane (DCM). O UNTREATED 100 a DCM 23 Tor • DCM 50 Torr x DCM 100 Torr Symbols: o, 0 Torr DCM; O, 23 Torr DCM A, 50 Torr DCM x, 100 Torr DCM. 80 40 (1 Torr = 1 mm Hg.) The solutions buffered to pH 7.4. 20 were 0.5 1.0 1.5 2.0 log po2 % OXYGENATIONCalculate the IV rate in drops per minute for a 1 L bag of Lactated Ringers solution running at 50ml/he using the 15 drop factor?3a) An 68 kg patient is to be given a 2.0 mg/kg body weight IV bolus dose of a newly developed antibiotic drug every 6 hours. Assume the half-life of the drug and its volume of distribution in the patient are 3.2 hours and 0.26 L/kg respectively. (a) Calculate the peak and trough plasma concentrations for the antibiotic after, one dose, two doses, four doses, and at steady state.
